From patchwork Fri Feb 28 16:00:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H. Nikolaus Schaller" X-Patchwork-Id: 204041 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D55A6C3F2D2 for ; Fri, 28 Feb 2020 16:01:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A999A2064A for ; Fri, 28 Feb 2020 16:01:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=goldelico.com header.i=@goldelico.com header.b="Nguqw9Ta" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727389AbgB1QBV (ORCPT ); Fri, 28 Feb 2020 11:01:21 -0500 Received: from mo4-p04-ob.smtp.rzone.de ([81.169.146.177]:31398 "EHLO mo4-p04-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727174AbgB1QBD (ORCPT ); Fri, 28 Feb 2020 11:01:03 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1582905661; s=strato-dkim-0002; d=goldelico.com; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=ex+tP/S3jJM/1n8mzovxtL99ooZIHpji+z8Ck9o3ixM=; b=Nguqw9TaMW/CZKCIE7/9KPe3sb3L0LODHrgZBYqQod2YID6ItUF9FhlCk3VnI7U0Qj DTBfmn/q3Syyw0UMpQRLJ0fJ3wROn477GX5I8aFGdyw8bPyHFl5p11XQqiywIJsKlHmA /8MVT59GtrwiIzrniBnf0nxUlAni5wCk6w+fstM81YAFEKDT/u2kYkOYAxx1aJTeTWDz 0tLMMv0aD+YiPA69wBpCJtrDo+mPWpcyaqgwi57BgFZsE8SalULgTeyK/vw3T8BF2Wxj pGfzeUr7PN3Ufm4oxAaPHSmk797UEbPn4BBMfDd8HOn7zA4P9UUGw55Qd5heBElhiZAH ZGlA== X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o1mfYzBGHXH6G1+ULkA=" X-RZG-CLASS-ID: mo00 Received: from iMac.fritz.box by smtp.strato.de (RZmta 46.2.0 DYNA|AUTH) with ESMTPSA id y0a02cw1SG0x1lH (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Fri, 28 Feb 2020 17:00:59 +0100 (CET) From: "H. Nikolaus Schaller" To: PrasannaKumar Muralidharan , Andreas Kemnade , Paul Cercueil , Mathieu Malaterre , Srinivas Kandagatla , Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , Mauro Carvalho Chehab , "David S. Miller" , Greg Kroah-Hartman , Jonathan Cameron , "H. Nikolaus Schaller" , Krzysztof Kozlowski , Kees Cook , Andi Kleen , Geert Uytterhoeven Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mips@vger.kernel.org, letux-kernel@openphoenux.org, kernel@pyra-handheld.com Subject: [PATCH v8 7/7] MIPS: DTS: CI20: make DM9000 Ethernet controller use NVMEM to find the default MAC address Date: Fri, 28 Feb 2020 17:00:53 +0100 Message-Id: <1250f496a1f0bd51e89e5a1ba7a3e92a5570b27a.1582905653.git.hns@goldelico.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: References: MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org There is a unique MAC address programmed into the eFuses of the JZ4780 chip in the CI20 factory. By using this for initializing the DM9000 Ethernet controller, every CI20 board has an individual - but stable - MAC address and DHCP can assign stable IP addresses. Signed-off-by: H. Nikolaus Schaller --- arch/mips/boot/dts/ingenic/ci20.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts index 37b93166bf22..6dc1f9eeff00 100644 --- a/arch/mips/boot/dts/ingenic/ci20.dts +++ b/arch/mips/boot/dts/ingenic/ci20.dts @@ -355,6 +355,9 @@ interrupt-parent = <&gpe>; interrupts = <19 4>; + + nvmem-cells = <ð0_addr>; + nvmem-cell-names = "mac-address"; }; };